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Diffstat (limited to 'tvix/castore/src/blobservice/tests.rs')
| -rw-r--r-- | tvix/castore/src/blobservice/tests.rs | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/tvix/castore/src/blobservice/tests.rs b/tvix/castore/src/blobservice/tests.rs deleted file mode 100644 index 7480ca8082..0000000000 --- a/tvix/castore/src/blobservice/tests.rs +++ /dev/null @@ -1,243 +0,0 @@ -use std::io; -use std::pin::pin; - -use test_case::test_case; -use tokio::io::AsyncReadExt; -use tokio::io::AsyncSeekExt; - -use super::B3Digest; -use super::BlobService; -use super::MemoryBlobService; -use super::SledBlobService; -use crate::fixtures; - -// TODO: avoid having to define all different services we test against for all functions. -// maybe something like rstest can be used? - -fn gen_memory_blob_service() -> impl BlobService { - MemoryBlobService::default() -} -fn gen_sled_blob_service() -> impl BlobService { - SledBlobService::new_temporary().unwrap() -} - -// TODO: add GRPC blob service here. - -/// Using [BlobService::has] on a non-existing blob should return false -#[test_case(gen_memory_blob_service(); "memory")] -#[test_case(gen_sled_blob_service(); "sled")] -fn has_nonexistent_false(blob_service: impl BlobService) { - tokio::runtime::Runtime::new().unwrap().block_on(async { - assert!(!blob_service - .has(&fixtures::BLOB_A_DIGEST) - .await - .expect("must not fail")); - }) -} - -/// Trying to read a non-existing blob should return a None instead of a reader. -#[test_case(gen_memory_blob_service(); "memory")] -#[test_case(gen_sled_blob_service(); "sled")] -fn not_found_read(blob_service: impl BlobService) { - tokio::runtime::Runtime::new().unwrap().block_on(async { - assert!(blob_service - .open_read(&fixtures::BLOB_A_DIGEST) - .await - .expect("must not fail") - .is_none()) - }) -} - -/// Put a blob in the store, check has, get it back. -/// We test both with small and big blobs. -#[test_case(gen_memory_blob_service(), &fixtures::BLOB_A, &fixtures::BLOB_A_DIGEST; "memory-small")] -#[test_case(gen_sled_blob_service(), &fixtures::BLOB_A, &fixtures::BLOB_A_DIGEST; "sled-small")] -#[test_case(gen_memory_blob_service(), &fixtures::BLOB_B, &fixtures::BLOB_B_DIGEST; "memory-big")] -#[test_case(gen_sled_blob_service(), &fixtures::BLOB_B, &fixtures::BLOB_B_DIGEST; "sled-big")] -fn put_has_get(blob_service: impl BlobService, blob_contents: &[u8], blob_digest: &B3Digest) { - tokio::runtime::Runtime::new().unwrap().block_on(async { - let mut w = blob_service.open_write().await; - - let l = tokio::io::copy(&mut io::Cursor::new(blob_contents), &mut w) - .await - .expect("copy must succeed"); - assert_eq!( - blob_contents.len(), - l as usize, - "written bytes must match blob length" - ); - - let digest = w.close().await.expect("close must succeed"); - - assert_eq!(*blob_digest, digest, "returned digest must be correct"); - - assert!( - blob_service.has(blob_digest).await.expect("must not fail"), - "blob service should now have the blob" - ); - - let mut r = blob_service - .open_read(blob_digest) - .await - .expect("open_read must succeed") - .expect("must be some"); - - let mut buf: Vec<u8> = Vec::new(); - let mut pinned_reader = pin!(r); - let l = tokio::io::copy(&mut pinned_reader, &mut buf) - .await - .expect("copy must succeed"); - // let l = io::copy(&mut r, &mut buf).expect("copy must succeed"); - - assert_eq!( - blob_contents.len(), - l as usize, - "read bytes must match blob length" - ); - - assert_eq!(blob_contents, buf, "read blob contents must match"); - }) -} - -/// Put a blob in the store, and seek inside it a bit. -#[test_case(gen_memory_blob_service(); "memory")] -#[test_case(gen_sled_blob_service(); "sled")] -fn put_seek(blob_service: impl BlobService) { - tokio::runtime::Runtime::new().unwrap().block_on(async { - let mut w = blob_service.open_write().await; - - tokio::io::copy(&mut io::Cursor::new(&fixtures::BLOB_B.to_vec()), &mut w) - .await - .expect("copy must succeed"); - w.close().await.expect("close must succeed"); - - // open a blob for reading - let mut r = blob_service - .open_read(&fixtures::BLOB_B_DIGEST) - .await - .expect("open_read must succeed") - .expect("must be some"); - - let mut pos: u64 = 0; - - // read the first 10 bytes, they must match the data in the fixture. - { - let mut buf = [0; 10]; - r.read_exact(&mut buf).await.expect("must succeed"); - - assert_eq!( - &fixtures::BLOB_B[pos as usize..pos as usize + buf.len()], - buf, - "expected first 10 bytes to match" - ); - - pos += buf.len() as u64; - } - // seek by 0 bytes, using SeekFrom::Start. - let p = r - .seek(io::SeekFrom::Start(pos)) - .await - .expect("must not fail"); - assert_eq!(pos, p); - - // read the next 10 bytes, they must match the data in the fixture. - { - let mut buf = [0; 10]; - r.read_exact(&mut buf).await.expect("must succeed"); - - assert_eq!( - &fixtures::BLOB_B[pos as usize..pos as usize + buf.len()], - buf, - "expected data to match" - ); - - pos += buf.len() as u64; - } - - // seek by 5 bytes, using SeekFrom::Start. - let p = r - .seek(io::SeekFrom::Start(pos + 5)) - .await - .expect("must not fail"); - pos += 5; - assert_eq!(pos, p); - - // read the next 10 bytes, they must match the data in the fixture. - { - let mut buf = [0; 10]; - r.read_exact(&mut buf).await.expect("must succeed"); - - assert_eq!( - &fixtures::BLOB_B[pos as usize..pos as usize + buf.len()], - buf, - "expected data to match" - ); - - pos += buf.len() as u64; - } - - // seek by 12345 bytes, using SeekFrom:: - let p = r - .seek(io::SeekFrom::Current(12345)) - .await - .expect("must not fail"); - pos += 12345; - assert_eq!(pos, p); - - // read the next 10 bytes, they must match the data in the fixture. - { - let mut buf = [0; 10]; - r.read_exact(&mut buf).await.expect("must succeed"); - - assert_eq!( - &fixtures::BLOB_B[pos as usize..pos as usize + buf.len()], - buf, - "expected data to match" - ); - - #[allow(unused_assignments)] - { - pos += buf.len() as u64; - } - } - - // seeking to the end is okay… - let p = r - .seek(io::SeekFrom::Start(fixtures::BLOB_B.len() as u64)) - .await - .expect("must not fail"); - pos = fixtures::BLOB_B.len() as u64; - assert_eq!(pos, p); - - { - // but it returns no more data. - let mut buf: Vec<u8> = Vec::new(); - r.read_to_end(&mut buf).await.expect("must not fail"); - assert!(buf.is_empty(), "expected no more data to be read"); - } - - // seeking past the end… - // should either be ok, but then return 0 bytes. - // this matches the behaviour or a Cursor<Vec<u8>>. - if let Ok(_pos) = r - .seek(io::SeekFrom::Start(fixtures::BLOB_B.len() as u64 + 1)) - .await - { - let mut buf: Vec<u8> = Vec::new(); - r.read_to_end(&mut buf).await.expect("must not fail"); - assert!(buf.is_empty(), "expected no more data to be read"); - } - // or not be okay. - - // TODO: this is only broken for the gRPC version - // We expect seeking backwards or relative to the end to fail. - // r.seek(io::SeekFrom::Current(-1)) - // .expect_err("SeekFrom::Current(-1) expected to fail"); - - // r.seek(io::SeekFrom::Start(pos - 1)) - // .expect_err("SeekFrom::Start(pos-1) expected to fail"); - - // r.seek(io::SeekFrom::End(0)) - // .expect_err("SeekFrom::End(_) expected to fail"); - }) -} |